Seedless Wallets: What They Are and the Two Kinds

Last updated: 23 October 2026

Think of two envelopes, both with the words torn off. One still has the key inside. The other was never given a whole key.

A seedless wallet has no recovery phrase. A threshold wallet splits the key into shares on devices you control, and no complete key is assembled, so there is nothing to write down. Other products drop the phrase and still hold one complete key, on a card or with a provider.

The phrase was the backup

A recovery phrase is 12 words or 24. Those words rebuild the key on any device that imports them. Vultisig replaces that phrase with shares. One share cannot move funds. Source: docs.vultisig.com, 23 October 2026.

Hiding the words is not the same change. If a complete key still exists, the phrase was only the way you were shown it.

Seed phrase, threshold, hardware card

Same order in every row: Vultisig, a seed-phrase wallet, a hardware card.

How you recover

• Vultisig. You reshare from the shares that still meet the threshold. The addresses stay the same, and the funds do not move. On a Fast Vault the spare is your device backup plus VultiServer. On a 2-of-3 Secure Vault the other two devices still sign. Source: Vultisig's reshare guide and Vultisig's setup guide, 23 October 2026.
• Seed-phrase wallet. The 12 or 24 words rebuild the key on a new device. The same words are the backup and the thing a phishing page asks you to type.
• Hardware card. Tangem copies the whole key to one or two backup cards. Each card holds a complete key. The backup runs once, at activation. A card you add later means a new key and new addresses. Source: Tangem's backup page, quoted in our notes on 12 October 2026, Tangem's key backup.

What can be stolen

• Vultisig. A share. One share cannot sign. There is no phrase to type into a site.
• Seed-phrase wallet. The words, or the key they rebuild. Whoever has them can move the funds.
• Hardware card. A card holds a complete key. A stolen card still needs the access code. The card is not a fragment.

If one device is lost

• Vultisig. A 2-of-3 Secure Vault still signs with the other two. A Fast Vault restores from the device backup plus VultiServer, which co-signs and cannot sign alone. A 2-of-2 Secure Vault has no spare device. A Fast Vault does not become a Secure Vault.
• Seed-phrase wallet. You restore from the words. Losing the phone does not matter if the phrase is intact. Losing the phrase matters even if every device is in your hand.
• Hardware card. A backup card is another complete copy. Lose every card and the key is gone. There is no reshare onto a new card without starting over.

The label on the box can match. The object inside does not. How the shares produce one signature is on Vultisig's TSS page. The product diagram is on Vultisig's MPC page.

The two vaults, in numbers

A Fast Vault is 2-of-2. The short version is Vultisig's Fast Vault page. Your device holds one share. VultiServer holds the other, co-signs, and cannot sign alone. Setup is about a minute. No person has to approve a signature the host can request. That is the shape an agent uses. The map is the builders' page, and the reason a single key fails on that host is Vultisig's agent page.

A Secure Vault keeps every share on devices you hold. The docs recommend 2-of-3. The signing count has to be at least 67% of the devices. 3-of-4 means three of four have to agree. Setup is about three minutes. One vault covers 36+ chains. The code is open, at github.com/vultisig. Sources: docs.vultisig.com, 23 October 2026.

Where those shares sit when a company also offers an agent wallet is Vultisig's custody page.

How to choose

1. The product still gives you 12 or 24 words. You are choosing a seed-phrase wallet. Those words are the key, whether or not the app shows them every day.

1. A card or chip holds one complete key, and the backup is another complete copy. You are choosing the hardware shape. Tangem's backup is one or two extra cards, made once, at activation. Lose every card and there is no phrase to fall back on.

1. You have one device and you want the vault in about a minute. Create a Fast Vault. It is 2-of-2, your device and VultiServer. VultiServer cannot sign alone. It will not turn into a multi-device vault later. For that, you create a new Secure Vault and move the funds.

1. You want to lose one device and still sign. Create a Secure Vault at 2-of-3. About three minutes. Every share stays on devices you hold. The signing count has to be at least 67% of the devices.

1. An agent will spend from the vault, with no person at the keyboard. Put a Fast Vault on the host that runs the agent. The host holds one share. VultiServer holds the other.

FAQ

What is a seedless wallet?

A wallet with no recovery phrase. On Vultisig the key is split into shares and no complete key is assembled, so there is nothing to write down.

Does seedless mean the key is gone?

Only when no complete key is ever assembled. A card that copies one whole key onto backup cards is seedless on the screen and still one key.

What if I lose one device?

On a 2-of-3 Secure Vault the other two still sign, and a reshare keeps the same addresses. On a Fast Vault you restore from the device backup plus VultiServer. A 2-of-2 Secure Vault has no spare device.

Which setup should I pick?

One device, or an agent that must spend with no person present: Fast Vault, about a minute, 2-of-2 with VultiServer. You want to lose a device and still sign: Secure Vault, 2-of-3, about three minutes. A Fast Vault does not turn into a Secure Vault.